docs(component-comm): Typo: add missing space (#3340)

Author: AlexanderLukin

public/docs/ts/latest/cookbook/component-communication.jade

@@ -138,7 +138,7 @@ figure.image-display
 :marked
   ## Parent listens for child event
 
-  The child component exposes an `EventEmitter` property with which it `emits`events when something happens. 
+  The child component exposes an `EventEmitter` property with which it `emits` events when something happens. 
   The parent binds to that event property and reacts to those events.
 
   The child's `EventEmitter` property is an ***output property***,